A large-scale analysis of 117 mammal species found that preventing reproduction is associated with longer lifespans, suggesting a strong link between reproductive activity and life expectancy. Why do ...

For a small number of animals, reproduction marks a biological endpoint rather than a stage in an ongoing life cycle. Death ...

Animal reproduction and breeding encompasses the full spectrum of natural, assisted and genetic processes that underpin the perpetuation, improvement and conservation of species across diverse taxa.

In the animal kingdom, mating isn’t always about survival. From praying mantises to octopuses, some species die during or ...

Find out which animals live the longest and what clues this gives us for potentially slowing down human aging.

Most animals reach an adult size, then spend the rest of their lives maintaining it. After maturity, their energy goes toward ...

Not all creatures need to breed to produce offspring. Animals like zebra sharks and killifish are redefining what scientists thought they knew about asexual reproduction. Among vertebrates, or animals ...

For some animals, reproduction comes at the ultimate cost—their own lives. While this may seem extreme, it's a natural strategy to maximize reproductive success. These species invest everything into ...

There's no rule that regulates how animals obtain the necessary genetic material to reproduce—and as a result, there is a lot of weird animal sex going on out there ...